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Vulnerability IntelligenceCVE-2025-27220

CVE-2025-27220

MEDIUM4.0

In the CGI gem before 0

Published Mar 3, 2025

Modified 5 months ago

Details

In the CGI gem before 0.4.2 for Ruby, a Regular Expression Denial of Service (ReDoS) vulnerability exists in the Util#escapeElement method.

References

https://github.com/rubysec/ruby-advisory-db/blob/master/gems/cgi/CVE-2025-27220.yml

https://hackerone.com/reports/2890322

https://lists.debian.org/debian-lts-announce/2025/03/msg00008.html

https://www.cve.org/CVERecord?id=CVE-2025-27220

CVSS Analysis

CVSS v3.1

4.0

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

HighAC:H

Privileges Required

NonePR:N

User Interaction

NoneUI:N

Scope

Scope

ChangedS:C

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

LowA:L

4/CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L

Weakness Type (CWE)

Resource Management

ReDoS (Regex DoS)

Ecosystems

Timeline

PublishedMar 3, 2025

ModifiedNov 3, 2025

CVE-2025-27220 | Mondoo Vulnerability Intelligence